Inventor
WILLIAMS JEFFREY C
US23 patents
⚠️ This page may combine multiple inventors who share the name “WILLIAMS JEFFREY C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAKER HUGHES INC
8 patentsUS7703542B2Apr 27, 2010
Expandable packer system
BAKER HUGHES INC22 citations92
US8016035B2Sep 13, 2011
Chemical injection check valve incorporated into a tubing retrievable safety valve
BAKER HUGHES INC13 citations82
US9657546B2May 23, 2017
Expansion limiter for expandable seal
BAKER HUGHES INC7 citations79
US7886818B1Feb 15, 2011
Expandable packer system
BAKER HUGHES INC6 citations73
US7845402B2Dec 7, 2010
Expandable packer system
BAKER HUGHES INC6 citations73
US10030469B2Jul 24, 2018
Self-locking expandable seal activator
BAKER HUGHES INC1 citations47
US9995104B2Jun 12, 2018
Expandable seal with adjacent radial travel stop
BAKER HUGHES INC1 citations47
US10053947B2Aug 21, 2018
Travel stop for expansion tool to limit stress on a surrounding tubular
BAKER HUGHES INC0 citations37
LEE CHEE K
3 patentsUS8151873B1Apr 10, 2012
Expandable packer with mandrel undercuts and sealing boost feature
LEE CHEE K20 citations89
US9140094B2Sep 22, 2015
Open hole expandable packer with extended reach feature
LEE CHEE K12 citations81
US8662161B2Mar 4, 2014
Expandable packer with expansion induced axially movable support feature
LEE CHEE K14 citations81
SCHOOL INNOVATIONS & ACHIEVEMENT INC
3 patentsUS9767440B2Sep 19, 2017
System and method for student attendance management
SCHOOL INNOVATIONS & ACHIEVEMENT INC4 citations68
US11062410B2Jul 13, 2021
System and method for student attendance management
SCHOOL INNOVATIONS & ACHIEVEMENT INC0 citations47
US10963845B2Mar 30, 2021
System and method for student attendance management
SCHOOL INNOVATIONS & ACHIEVEMENT INC0 citations47